Abstract
Using the modified semiempirical method of Dimitrijević and Konjević, Stark widths have been calculated for six Cr III transitions, for an electron density of 10 17 cm ‒ 3 and for temperatures from 5000–80,000 K. Results have been used for the investigation of the influence of Stark broadening on spectral lines in cool DO white dwarf atmospheres. Calculated Stark widths will be implemented in the STARK-B database, which is also a part of the Virtual Atomic and Molecular Data Center (VAMDC).
Highlights
Stark broadening data are very useful for a number of applications, such as laboratory plasma diagnostics, the investigation and modelling of various plasmas in technology and inertial fusion, as well as for the research of laser-produced plasmas, and in astrophysics, primarily for stellar plasma modelling, abundance determination, and stellar spectra analysis and synthesis.Lines of chromium in various ionization stages are present and often observed in stellar spectra.Underhill [1] identified a great number of Cr II and Cr III lines, as well as a probable Cr IV line in the spectrum of B5 Ia type star η CMa recorded by Orbiting Astronomical Observatory OAO-3, known as Copernicus
Results have been used for the investigation of the influence of Stark broadening on spectral lines in cool DO white dwarf atmospheres
Calculated Stark widths will be implemented in the STARK-B database, which is a part of the Virtual Atomic and Molecular Data Center (VAMDC)
Summary
Stark broadening data are very useful for a number of applications, such as laboratory plasma diagnostics, the investigation and modelling of various plasmas in technology and inertial fusion, as well as for the research of laser-produced plasmas, and in astrophysics, primarily for stellar plasma modelling, abundance determination, and stellar spectra analysis and synthesis.Lines of chromium in various ionization stages are present and often observed in stellar spectra.Underhill [1] identified a great number of Cr II and Cr III lines, as well as a probable Cr IV line in the spectrum of B5 Ia type star η CMa recorded by Orbiting Astronomical Observatory OAO-3, known as Copernicus. Results have been used for the investigation of the influence of Stark broadening on spectral lines in cool DO white dwarf atmospheres.
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
